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JPH02134486U - - Google Patents

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Publication number
JPH02134486U
JPH02134486U JP4463689U JP4463689U JPH02134486U JP H02134486 U JPH02134486 U JP H02134486U JP 4463689 U JP4463689 U JP 4463689U JP 4463689 U JP4463689 U JP 4463689U JP H02134486 U JPH02134486 U JP H02134486U
Authority
JP
Japan
Prior art keywords
pressure
container
control device
vacuum pump
bypass line
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP4463689U
Other languages
Japanese (ja)
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP4463689U priority Critical patent/JPH02134486U/ja
Publication of JPH02134486U publication Critical patent/JPH02134486U/ja
Pending legal-status Critical Current

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  • Freezing, Cooling And Drying Of Foods (AREA)

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第1図は、この考案に係る減圧容器の圧力制御
装置を示す概略図、第2図はその変形例を示す概
略図、第3図は本考案による圧力制御状態を示す
グラフである。 1……減圧容器、2……導入ポート、3……排
気ポート、4……流量(圧力)制御弁、5……開
閉弁、6……真空ポンプ、7……排気ライン、8
……バイパスライン、9……圧力スイツチ。
FIG. 1 is a schematic diagram showing a pressure control device for a depressurized container according to this invention, FIG. 2 is a schematic diagram showing a modification thereof, and FIG. 3 is a graph showing a pressure control state according to the invention. DESCRIPTION OF SYMBOLS 1...Reducing pressure container, 2...Introduction port, 3...Exhaust port, 4...Flow rate (pressure) control valve, 5...Opening/closing valve, 6...Vacuum pump, 7...Exhaust line, 8
...Bypass line, 9...Pressure switch.

Claims (1)

【実用新案登録請求の範囲】 真空ポンプにより容器内を減圧してなる減圧容
器の圧力制御装置において、 前記減圧容器と真空ポンプとを排気ラインとバ
イパスラインで接続し、前記排気ラインに流量(
圧力)制御弁を設け、前記バイパスラインに、減
圧容器内の圧力検出信号に基づいて流路の開閉を
行う開閉弁を設けたことを特徴とする減圧容器の
圧力制御装置。
[Claims for Utility Model Registration] In a pressure control device for a reduced pressure container which reduces the pressure inside the container using a vacuum pump, the reduced pressure container and the vacuum pump are connected through an exhaust line and a bypass line, and a flow rate (
A pressure control device for a pressure-reducing container, characterized in that the bypass line is provided with an on-off valve that opens and closes a flow path based on a pressure detection signal in the pressure-reducing container.
JP4463689U 1989-04-17 1989-04-17 Pending JPH02134486U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4463689U JPH02134486U (en) 1989-04-17 1989-04-17

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4463689U JPH02134486U (en) 1989-04-17 1989-04-17

Publications (1)

Publication Number Publication Date
JPH02134486U true JPH02134486U (en) 1990-11-08

Family

ID=31558116

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4463689U Pending JPH02134486U (en) 1989-04-17 1989-04-17

Country Status (1)

Country Link
JP (1) JPH02134486U (en)

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